JBL Pulse 4 Service Manual Download Page 12

Page: 12 / 30

Reset method

Pin18,19>10s: reset

1. Power OFF VBAT

Upgrading

To MCU

Mix L&R

UART

TO NTC(sensor the temp in the case)

VBAT Delay related to Pin18,19

D-

D+

POWER KEY FPC

LIGHT KEY FPC

VOL KEY FPC

ODM ID

1.06

BT PCB

[1,2]

[1,2]

[1,2]

[1]

[1]

[1,2]

[1,2]

[1,2]

[1,2]

[1,2]

[1,2]

[1]

[1]

[1]

[1,2]

[1,2]

[1]

[1,2]

[1]

[1]

USBVCCA33
[1]

[2]

[1]

[1]

[1]

[1]

[1]

[1]

[1]

[1]

[2]

[2]

[1]

[1]

[1]

[1]

[1]

[1]

[2]

[2]

[1,2]

[1]

[1]

[1,2]

[1]

[1]

[1]

[1]

[1]

[1]

[1,2]

[1]

[2]

[2]

[2]

[1,2]

[2]

[1]

[1]

[2]

VREF [1]

LR_CH

[1]

GPIO_SLG4V4826V

[2]

POWER_14V_CONTROL
[1]

[1]

[1,2]

[1]

[1,2]

[1]

[1]

[1]

[1]

[1]

[1]

[1]

[1]

[2]

[2]

[1,2]

[1]

[1,2]

[1,2]

[1,2]

[1]

[2]

[2]

[2]

[1]

[2]

[2]

[1]

[1,2]

[1,2]

[1]

[1]

[1]

[1,2]

[1,2]

[1,2]

[1,2]

BT_LED
[1,2]

LINK_LED
[1,2]

Summary of Contents for Pulse 4

Page 1: ...NTENTS 2 3 6 7 TECHNICAL SPECIFICATIONS SAFETY SHEET BLOCK DIAGRAM WIRING DIAGRAM HOW TO DISASSEMBLE 8 11 17 28 SCHEMATIC DIAGRAMS LAYOUT DIAGRAMS EXPLODED VIEW PARTS LIST REVISION LIST 29 Released by...

Page 2: ...Lithium ion polymer 26 WH Equivalent to 3 6 V 7260 mAh Battery charge time 3 5 hours 5 V 3 A Music playtime up to 12 hours varies by brightness volume level and audio content Bluetooth transmitter po...

Page 3: ...ment IC Statement and Warning Canada Only This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada For Canadian Mode...

Page 4: ...asons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electr...

Page 5: ...wheads metal overlays control shaft etc Plug the AC line cord of the appliance directly into a 120V AC 60Hz outlet and turn the AC power switch on Any current measured must not exceed o 5mA ANY MEASUR...

Page 6: ...ade BT and MCU BUFFER SGM7SZ125 SD103 120 RGB LEDs with drivers Charger BQ25601 SW LDO 3 3V ME6211 3 3V for OP Logic SLG4V4826V OP 1PCS TPA2412 NJM2740 BA4510 OP 1PCS TPA2412 NJM2740 B A4510 Boost con...

Page 7: ...DC_BIAS SW LDO 3 3V ME6211 SW 30V 4 3A 78mohm LDO 3 3V ME6211 LDO 3 3V ME6211 SLG_3 3V OP_3 3V VDD_FEM 3 8V for RGB LEDs 3 6V PVDD 5 2V 14 5V MUTE SHUT BOOST_EN VBUS POWER_STBY IL 2A EN_LED POWER_STBY...

Page 8: ...efer to related video Disassemble the USB PCBA Tear down the bottom cover Take away the top cap Move away the top cap with _ type screwdriver Move away the silicone BT button Move away the silicone po...

Page 9: ...Disassemble the LED USB PCBA Move away the connected bracket Move away screws Push the inner body away from the out barrel Out barrel Inner barrel Move away the 9 screws from speaker upper bracket...

Page 10: ...Disassemble the Main PCBA and BT PCBA Main PCBA BT PCBA Move away the speaker upper bracket from the inner body...

Page 11: ...OUTPL 24 BSPL 25 GND 26 BSNR 27 OUTNR 28 GND 29 OUTPR 30 BSPR 31 PVCC 32 PVCC 33 GND U1 TPA3128D2 L1 6 8uH 9A L2 6 8uH 9A R1 3 3R C6 103 C7 2 2uF 50V C8 2 2uF 50V R2 3 3R C9 103 C3 NC C4 NC C13 224 C...

Page 12: ...7 100K D12 ESD C6 104P C123 104 R96 33 D14 ESD R32 33 R97 33 R98 33 R11 33 R12 1K R175 33 R177 10K R179 33 R180 33 R181 0R R182 33 R190 33 1 2 3 Q4 2N3904 R201 10K R202 100K C8 0 1uF TP12 PLAY_KEY TP1...

Page 13: ...0 1uF FB3 600 100M R90 4 7K 1 3 5 7 9 11 13 15 17 19 20 18 16 14 12 10 8 6 4 2 CON11 1 2 3 4 5 6 7 8 9 10 11 12 CON10 CON_SMT_12 C50 4 7U C76 220P 1 2 3 Q5 2N3904 R9 10K R148 100K R150 10K R10 100K G...

Page 14: ...15 1 2 S4 BT D8 15 R4 100 1 2 S3 POWER D6 15 D5 15 R3 100 1 2 S1 LIGHT 1 2 S2 LINK D3 15 D4 15 R2 100 1 2 S7 PLAY 1 2 S6 VOL 1 2 S5 VOL 1 2 3 4 J3 1 2 3 4 5 J1 1 2 3 4 5 6 J2 P_LED POWER_KEY SLG_3 3V...

Page 15: ...B_LT 1 GND 2 DIN 4 VDD 3 DOUT LED306 RGB_LT 1 GND 2 DIN 4 VDD 3 DOUT LED307 RGB_LT 1 GND 2 DIN 4 VDD 3 DOUT LED308 RGB_LT 1 GND 2 DIN 4 VDD 3 DOUT LED309 RGB_LT 1 GND 2 DIN 4 VDD 3 DOUT LED310 RGB_LT...

Page 16: ...RED A10 A7 A8 A9 1 GND1 2 TX1 3 TX1 4 VBUS1 5 CC1 6 D 1 7 D 1 8 FRU1 9 VBUS2 10 RX2 11 RX2 12 GND2 13 GND3 14 TX2 15 TX2 16 VBUS3 17 CC2 18 D 2 19 D 2 20 RFU2 21 VBUS4 22 RX1 23 RX1 24 GND4 25 26 27 2...

Page 17: ...6 Layout Diagrams...

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Page 28: ...REL ASSY BLK PULSE4 SY 1 A21 A22 A27 32200965 OUTER BARREL ASSY WHT PULSE4 SY 1 A22 32200858 LOGO ASSY PULSE4 EA 2 A23 45901331 BOTTOM SEALING RING PULSE4 EA 1 A24 32200849 PR ASSY BLK PULSE4 EA 1 A24...

Page 29: ...2200966 CONNECTOR ASSY WHT BLK PULSE4 ND SY 1 A31 31200811 IO COVER BLK PULSE4 ND EA 1 A31 31200816 IO COVER WHT PULSE4 ND EA 1 A32 45901345 CHAMBER SEALING RING WHT PULSE4 ND EA 1 A32 45901346 CHAMBE...

Page 30: ...Revision List Version 1 0 Initial release 2019 08...

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JBL Pulse 4, Service Manual, Page: 12 / 30

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